From 2298eb5f12ee4d8c192bc02e5dc957504a9ac30d Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 13 Dec 2003 09:55:21 +0000
Subject: [PATCH] * ext/iconv/charset_alias.rb: preserve original order.

* ext/iconv/extconf.rb: remove wrapper file at clean.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5185 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                  |  6 ++++++
 ext/iconv/charset_alias.rb | 17 +++++++++++++++--
 ext/iconv/extconf.rb       |  4 +++-
 3 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 76926f9b59a052..c655dacd9ea3f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Dec 13 18:55:16 2003  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/iconv/charset_alias.rb: preserve original order.
+
+	* ext/iconv/extconf.rb: remove wrapper file at clean.
+
 Sat Dec 13 18:09:42 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (thread_timer): use timer by sub-thread and nanosleep.
diff --git a/ext/iconv/charset_alias.rb b/ext/iconv/charset_alias.rb
index 7947fd8127a869..be2c1412e7e04c 100644
--- a/ext/iconv/charset_alias.rb
+++ b/ext/iconv/charset_alias.rb
@@ -7,8 +7,21 @@
 OS = Config::CONFIG["target"]
 SHELL = Config::CONFIG['SHELL']
 
+class Hash::Ordered < Hash
+  def [](key)
+    val = super and val.last
+  end
+  def []=(key, val)
+    ary = fetch(key) {return super(key, [self.size, key, val])} and
+      ary.last = val
+  end
+  def each
+    values.sort.each {|i, key, val| yield key, val}
+  end
+end
+
 def charset_alias(config_charset, mapfile, target = OS)
-  map = {}
+  map = Hash::Ordered.new
   comments = []
   IO.foreach("|#{SHELL} #{config_charset} #{target}") do |list|
     next comments << list if /^\#/ =~ list
@@ -29,7 +42,7 @@ def charset_alias(config_charset, mapfile, target = OS)
     f.puts
     f.puts(comments)
     f.puts("class Iconv")
-    map.keys.sort.each {|can| f.puts("  charset_map['#{can}'.freeze] = '#{map[can]}'.freeze")}
+    map.each {|can, sys| f.puts("  charset_map['#{can}'.freeze] = '#{sys}'.freeze")}
     f.puts("end")
   end
 end
diff --git a/ext/iconv/extconf.rb b/ext/iconv/extconf.rb
index 7176fa45e3b0e1..8dfd562a4077ff 100644
--- a/ext/iconv/extconf.rb
+++ b/ext/iconv/extconf.rb
@@ -31,11 +31,13 @@
     else
       conf = prefix + "config.charset"
     end
+    wrapper = "iconv.rb"
+    $cleanfiles << wrapper
   end
   create_makefile("iconv")
   if conf
     open("Makefile", "a") do |mf|
-      mf.print("\nall: iconv.rb\n\niconv.rb: ", prefix, "charset_alias.rb")
+      mf.print("\nall: #{wrapper}\n\n#{wrapper}: #{prefix}charset_alias.rb")
       mf.print(" ", conf) unless scheme
       mf.print("\n\t$(RUBY) ", prefix, "charset_alias.rb ", conf, " $@\n")
     end